db-config.d/000-functions

   1 # -*-python-*-
   2 ####################
   3 import sys, os
   4 import resource
   5 import traceback
   6
   7 g_url = ""
   8 def GetMyPLCURL(): return g_url
   9 def SetMyPLCURL(url):
  10     global g_url
  11     g_url = url
  12
  13 # Get all currently registered roles
  14 g_role_names = [ role['name'] for role in GetRoles()]
  15 g_role_names.sort()
  16
  17 def SetRole(level, role):
  18     global g_role_names
  19     if role not in g_role_names:
  20         AddRole(level, role)
  21         g_role_names.append(role)
  22         g_role_names.sort()
  23
  24 # Get list of existing tag types
  25 g_known_tag_types = [tag_type['tagname'] for tag_type in GetTagTypes()]
  26 g_known_tag_types.sort()
  27
  28 def SetTagType(tag_type):
  29     try:
  30         tagname=tag_type['tagname']
  31         global g_known_tag_types
  32         # handle 'roles' field differently
  33         if 'roles' in tag_type:
  34             roles=tag_type['roles']
  35             del tag_type['roles']
  36         else:
  37             roles=['admin']
  38         # just in case
  39         if 'min_role_id' in tag_type:
  40             print "WARNING: ignoring deprecated field min_role_id for tagtype %s"%tagname
  41             del tag_type['min_role_id']
  42         # Create/update default slice tag types
  43         if tagname not in g_known_tag_types:
  44             AddTagType(tag_type)
  45             g_known_tag_types.append(tagname)
  46             g_known_tag_types.sort()
  47         else:
  48             UpdateTagType(tagname, tag_type)
  49         # enforce provided roles if present
  50         old_roles=GetTagTypes(tagname)[0]['roles']
  51         for minus_role in set(old_roles).difference(set(roles)):
  52             DeleteRoleFromTagType(minus_role,tagname)
  53         for plus_role in set(roles).difference(set(old_roles)):
  54             AddRoleToType(plus_role,tagname)
  55     except:
  56         # something went wrong for that tagname,
  57         # but don't want to break the whole startup sequence
  58         print "Could not enforce tagtype %s --- beg"%tagname
  59         traceback.print_exc()
  60         print "Could not enforce tagtype %s --- end"%tagname
  61         pass
  62
  63 # Get list of existing (enabled, global) files
  64 g_conf_files = GetConfFiles()
  65 g_conf_files = filter(lambda conf_file: conf_file['enabled'] and \
  66                     not conf_file['node_ids'] and \
  67                     not conf_file['nodegroup_ids'],
  68                     g_conf_files)
  69 g_dests = [conf_file['dest'] for conf_file in g_conf_files]
  70 g_conf_files = dict(zip(g_dests, g_conf_files))
  71
  72 # Get list of existing initscripts
  73 g_oldinitscripts = GetInitScripts()
  74 g_oldinitscript_names = [script['name'] for script in g_oldinitscripts]
  75 g_oldinitscripts = dict(zip(g_oldinitscript_names, g_oldinitscripts))
  76
  77 def SetInitScript(initscript):
  78     global g_oldinitscripts, g_oldinitscript_names
  79     if initscript['name'] not in g_oldinitscript_names:
  80         initscript_id = AddInitScript(initscript)
  81         g_oldinitscript_names.append(initscript['name'])
  82         initscript['initscript_id']=initscript_id
  83         g_oldinitscripts[initscript['name']]=initscript
  84     else:
  85         orig_initscript = g_oldinitscripts[initscript['name']]
  86         initscript_id = orig_initscript['initscript_id']
  87         UpdateInitScript(initscript_id, initscript)
  88
  89 def SetConfFile(conf_file):
  90     global g_conf_files, g_dests
  91     if conf_file['dest'] not in g_dests:
  92         AddConfFile(conf_file)
  93     else:
  94         orig_conf_file = g_conf_files[conf_file['dest']]
  95         conf_file_id = orig_conf_file['conf_file_id']
  96         UpdateConfFile(conf_file_id, conf_file)
  97
  98 def SetSlice(slice, tags):
  99     # Create or Update slice
 100     slice_name = slice['name']
 101     slices = GetSlices([slice_name])
 102     if len(slices)==1:
 103         slice_id = slices[0]['slice_id']
 104         if slice.has_key('name'):
 105             del slice['name']
 106         UpdateSlice(slice_id, slice)
 107         slice['name']=slice_name
 108     else:
 109         expires = None
 110         if slice.has_key('expires'):
 111             expires = slice['expires']
 112             del slice['expires']
 113         slice_id = AddSlice(slice)
 114         if expires <> None:
 115             UpdateSlice(slice_id, {'expires':expires})
 116
 117     # Get slice structure with all fields
 118     slice = GetSlices([slice_name])[0]
 119
 120     # Create/delete all tags
 121     # NOTE: update is not needed, since unspecified tags are deleted,
 122     #       and new tags are added
 123     slice_tags = []
 124     if slice['slice_tag_ids']:
 125         # Delete unknown attributes
 126         for slice_tag in GetSliceTags(slice['slice_tag_ids']):
 127             # ignore sliver tags, as those are custom/run-time values
 128             if slice_tag['node_id'] <> None: continue
 129             if (slice_tag['tagname'], slice_tag['value']) not in tags:
 130                 DeleteSliceTag(slice_tag['slice_tag_id'])
 131             else:
 132                 slice_tags.append((slice_tag['tagname'],slice_tag['value']))
 133
 134     # only add slice tags that are new
 135     for (name, value) in tags:
 136         if (name,value) not in slice_tags:
 137             AddSliceTag(slice_name, name, value)
 138         else:
 139             # NOTE: this confirms that the user-specified tag is
 140             #       returned by GetSliceTags
 141             pass
 142
 143 def SetMessage(message):
 144     messages = GetMessages([message['message_id']])
 145     if len(messages)==0:
 146         AddMessage(message)
 147     else:
 148         UpdateMessage(message['message_id'],message)
 149
 150 # Get all model names
 151 g_pcu_models = [type['model'] for type in GetPCUTypes()]
 152
 153 def SetPCUType(pcu_type):
 154     global g_pcu_models
 155     if 'pcu_protocol_types' in pcu_type:
 156         protocol_types = pcu_type['pcu_protocol_types']
 157         # Take this value out of the struct.
 158         del pcu_type['pcu_protocol_types']
 159     else:
 160         protocol_types = []
 161
 162     if pcu_type['model'] not in g_pcu_models:
 163         # Add the name/model info into DB
 164         id = AddPCUType(pcu_type)
 165         # for each protocol, also add this.
 166         for ptype in protocol_types:
 167             AddPCUProtocolType(id, ptype)
 168